D 2403 – 96 (Reapproved 2003) Designation D 2403 – 96 (Reapproved 2003)e1 Standard Specification for Refined Phthalic Anhydride 13081 This standard is issued under the fixed designation D 2403; the nu[.]
Trang 1Designation: D 2403 – 96 (Reapproved 2003)e1
Standard Specification for
This standard is issued under the fixed designation D 2403; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision A number in parentheses indicates the year of last reapproval A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval
e1 NOTE—Section 1 was changed editorially in January 2003
1 Scope
1.1 This specification covers refined phthalic
anhydride-1308.
1.2 The following applies to all specified limits in this
specification: for purposes of determining conformance with
this specification, an observed value or a calculated value shall
be rounded off “to the nearest unit” in the last right-hand digit
used in expressing the specification limit, in accordance with
the rounding-off method of Practice E 29.
1.3 Consult current OSHA regulations, supplier’s Material
Safety Data Sheets, and local regulations regarding all material
used in this specification.
2 Referenced Documents
2.1 ASTM Standards:
D 1493 Test Method for Solidification Point of Industrial
Organic Chemicals2
D 3366 Test Method for Color of Maleic Anhydride and
Phthalic Anhydride in the Molten State and After Heating
(Platinum-Cobalt Scale)2
D 3438 Practice for Sampling and Handling Naphthalene, Maleic Anhydride, and Phthalic Anhydride2
E 29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications3
2.2 Other Document:
OSHA Regulations, 29 CFR, paragraphs 1910.1000 and 1910.12004
3 Properties
3.1 Phthalic anhydride shall conform to the following re-quirements:
Method Solidification point, min, °C 130.8 D 1493
Molten color after heating, max 100 D 3366
4 Sampling
4.1 The material shall be sampled in accordance with Practice D 3438.
5 Keywords
5.1 color; phthalic anhydride; solidification point
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1This specification is under the jurisdiction of ASTM Committee D16 on
Aromatic Hydrocarbons and Related Chemicals and is the direct responsibility of
Subcommittee D16.02 on Oxygenated Aromatics
Current edition approved Jan 10, 2003 Published March 2003 Originally
approved in 1965 Last previous edition approved in 1996 as D 2403 – 96
2
Annual Book of ASTM Standards, Vol 06.04.
3
Annual Book of ASTM Standards, Vol 14.02.
4Available from U.S Government Printing Office Superintendent of Documents,
732 N Capitol St., NW, Mail Stop: SDE, Washington, DC 20401
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